Perbandingan trigonometri

Manakah pernyataan berikut yang salah ....

• 
  

  $\cos\alpha=\frac{samping}{miring}$
  

• $\tan\alpha=\frac{depan}{samping}$

• $\operatorname{cotan}\alpha=\frac{samping}{miring}$

• $\sin\alpha=\frac{depan}{miring}$

• $\operatorname{cosec}\alpha=\frac{miring}{depan}$

For the following triangle, find the value of θ correct to 1 decimal place.

• 55.2°

• 29.7°

• 34.8°

• 60.3°

For the triangle shown, name the adjacent side of θ.

• PR

• QR

• PQ

For the triangle shown, find the value of x correct to 2 decimal places.

• 7.49 km

• 15.32 km

• 20.21 km

• 31.89 km

For the triangle shown, find the value of x correct to decimal places.

• 15.54 cm

• 3.87 cm

• 64.17 cm

• 16.49 cm

Manakah pernyataan yg tepat

• Sin : sami

• Cos : demi

• Tan : desam

• Cotan : desam